Identity
Classification
- Categories
- Inorganic Salts primary
Technical Data
Properties
| Property | Value | Unit |
|---|---|---|
| Physical state at 20 °C | Solid | — |
| Colour | White crystalline | — |
| Odour | Odorless | — |
| pH value | 6 - 9 | — |
| Melting point/ Freezing point [°C] | 681 °C | °C |
| Boiling point [°C] | 1330 °C | °C |
| Vapour pressure mm/Hg | 1 mmHg | mmHg |
| Density [g/cm3] | 3.13 g/cm3 | g/cm3 |
These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.
Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Appearance | White crystalline powder | — |
| Heavy metal | Max 0.001 % | % |
| Iron (Fe) | Max 0.001 % | % |
| Loss on drying (105 °C) | Max 1 % | % |
| Assay | 99 - 100.5 % | % |
| Insoluble matter in water | Max 0.01 % | % |
| Nitrate, nitrite and ammonia | Passes test | — |
| Chloride & bromide | Max 0.05 % | % |
| Free alkali (as K2CO3) as per pharma | Passes test | — |
| Sulphate (SO4) | Max 0.015 % | % |
| Iodate (IO3) | Max 0.0003 % | % |
| Thiosulphate (S2O3) | Max 0.005 % | % |
Available grades
4 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.
Packaging
| Pack size | SKU |
|---|---|
| 100 g | RA002148-PK-100G |
| 250 g | RA002148-PK-250G |
| 25 kg | RA002148-PK-25KG |
| 500 g | RA002148-PK-500G |
| 50 kg | RA002148-PK-50KG |
| 5 kg | RA002148-PK-5KG |